v0.33.7

src/db/dashboard_presets.rs

@@ -0,0 +1,83 @@
+//! SQLite persistence for user-named Overview snapshots (control plane only).
+use super::Store;
+use anyhow::{ensure, Result};
+use sqlx::Row;
+
+impl Store {
+    pub async fn list_admin_dashboard_presets(
+        &self,
+        username: &str,
+    ) -> Result<Vec<(String, String)>> {
+        let rows = sqlx::query(
+            "SELECT p.name, p.document FROM dashboard_presets p \
+             JOIN administrator a ON a.id = p.administrator_id \
+             WHERE a.id = 1 AND a.username = ? ORDER BY p.name COLLATE NOCASE",
+        )
+        .bind(username)
+        .fetch_all(&self.pool)
+        .await?;
+        rows.iter()
+            .map(|row| Ok((row.try_get("name")?, row.try_get("document")?)))
+            .collect()
+    }
+
+    pub async fn save_admin_dashboard_preset(
+        &self,
+        username: &str,
+        name: &str,
+        document: &str,
+    ) -> Result<bool> {
+        ensure!(
+            document.len() >= 2 && document.len() <= 8192,
+            "invalid dashboard preset size"
+        );
+        // Limit to 16 user-named presets. The cap and upsert are checked in one
+        // SQLite statement, including under concurrent requests.
+        let result = sqlx::query(
+            "INSERT INTO dashboard_presets(administrator_id, name, document, updated_at) \
+             SELECT a.id, ?, ?, ? FROM administrator a WHERE a.id = 1 AND a.username = ? \
+             AND ((SELECT count(*) FROM dashboard_presets WHERE administrator_id = a.id) < 16 \
+               OR EXISTS(SELECT 1 FROM dashboard_presets WHERE administrator_id = a.id AND name = ?)) \
+             ON CONFLICT(administrator_id, name) DO UPDATE SET \
+               document = excluded.document, updated_at = excluded.updated_at",
+        )
+        .bind(name).bind(document).bind(crate::auth::now())
+        .bind(username).bind(name)
+        .execute(&self.pool).await?;
+        Ok(result.rows_affected() == 1)
+    }
+
+    pub async fn delete_admin_dashboard_preset(&self, username: &str, name: &str) -> Result<bool> {
+        let result = sqlx::query(
+            "DELETE FROM dashboard_presets WHERE administrator_id = \
+             (SELECT id FROM administrator WHERE id = 1 AND username = ?) AND name = ?",
+        )
+        .bind(username)
+        .bind(name)
+        .execute(&self.pool)
+        .await?;
+        Ok(result.rows_affected() == 1)
+    }
+
+    pub async fn rename_admin_dashboard_preset(
+        &self,
+        username: &str,
+        old: &str,
+        new: &str,
+    ) -> Result<bool> {
+        // UPDATE OR IGNORE ensures an existing target name is never overwritten.
+        let result = sqlx::query(
+            "UPDATE OR IGNORE dashboard_presets SET name = ?, updated_at = ? \
+             WHERE administrator_id = (SELECT id FROM administrator WHERE id = 1 AND username = ?) \
+             AND name = ? AND name <> ?",
+        )
+        .bind(new)
+        .bind(crate::auth::now())
+        .bind(username)
+        .bind(old)
+        .bind(new)
+        .execute(&self.pool)
+        .await?;
+        Ok(result.rows_affected() == 1)
+    }
+}